Jaxu Men's Checked Mesh Thong Belt Thin Pouch Underwear 80% Polyamid + 20% Elastine Machine wash in soft cycle or hand wash. Do not use chlorine bleach.Do not iron. Mesh fabric,checked pattern Pouch bikini,T-Back,wide belt,thong design M(Fit Waistline 28.4"~33.1")/L(Fit Waistline 30.3"~35.4")/XL(Fit Waistline 32.3"~37.8")